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Boot up troubles with new pc

By Siliconwombat ·
Ive just built a semi new pc. A process i have done many times before.

I installed a new motherboard, cpu, ram and psu.

When i try to start the sytem up the graphics card boots but then the power seems to be cut off.

I get no other boot information at all.
Ive tried dismatlinmg and rebuilding checking every connection twice and once again and no better
The manual is very un helpful

system:
Gigabyte GA 7S748 MBoard
AMD athlon xp 2400 266
512 ddr ram
and a brand new 400w psu
nividia riva tnt 2 graphics

PLEASE help its driving me up the wall

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by jschein In reply to Boot up troubles with new ...

Ok.. it doesn't post. This is a high problem with gigabyte boards. Send it back for an immediate replacement if you cannot get into the bios or use a bios update utility from their website.

They claim their DUAL-Bios systems are infallable.. MALARKLY lol... If it posts the monitor, but not the bios, something is wrong with that board.

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by Siliconwombat In reply to

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by TheChas In reply to Boot up troubles with new ...

Check the position of the CMOS reset jumper.

Many motherboard ship with the jumper set to clear.

If you have ANY fan other than the CPU fan plugged into the motherboard, move it to the fan connectors that are farthest from the CPU.
Or, use a power adapter and plug the fan into a drive connector.

For Athlon CPUs, I have had many problems getting systems to post unless the CPU speed is set correctly.
Start by re-setting the CMOS memory.
Should the PC POST, immediately enter BIOS setup and manually set the CPU speed.

If a reset does not work, unplug the power supply and remove the CMOS battery for at least 1/2 hour.

Next, your video card may actually be too slow for this system.
You may need to use a PCI or faster AGP card to get into BIOS settings and force the AGP port to run at the slower 1X speed of the TNT2.

Chas

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by Siliconwombat In reply to

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by Siliconwombat In reply to Boot up troubles with new ...

ok thanks for quick responses
right im gonna leave sending it back for a couple of attempts at soting it!

Any idea where the cmos reset jumper is cos as i said the manual is useless!

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by berserkk In reply to Boot up troubles with new ...

http://www.ocworkbench.com/ocwbcgi/ultimatebb.cgi?ubb=print_topic;f=18;t=001231

here are some instructions (and a picture) to help you clear the cmos

You could also try booting holding ins or ctrl as this has a bios clear effect on some motherboards

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by John_mcglynn In reply to Boot up troubles with new ...

the cmos jumper is usually by the processor or the battery and will have clear or reset on the board by it

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